29
Troubleshooting
Troubleshooting – Motor and Electrical Problems
Trouble Probable
Cause
Remedy
Sander will not start.
No incoming power.
Check plug connections. Connect
main cord to power source, and motor
cord into control box receptacle.
Circuit fuse blown or breaker tripped.
Replace fuse or re-set breaker.
Switch is malfunctioning.
Replace switch.
Drum motor
overloads.
Inadequate circuit.
Check electrical requirements.
Feed rate too fast or depth of cut too
large.
Reduce feed rate and/or depth of cut.
Conveyor motor
oscillates.
Motor not properly aligned.
Loosen housing bolts, run motor, re-
tighten bolts.
Transfer rod collar is worn.
Replace transfer rod collar.
Drive roller bent.
Replace drive roller.
Drum motor or
conveyor motor
stalls.
Excessive depth of cut.
Reduce depth of cut; use coarser grit;
reduce feed rate.
Improper conveyor belt tension.
Adjust tension (see page 19).
Motor overload
protector trips or
shop wiring breaker
trips.
Excessive load on sanding drum and
motor.
Allow motor to cool and re-set
overload button.
Too many tools on circuit.
Connect sander to a dedicated circuit.
Have a certified electrician correct
any shop wiring problem.
Excessive length or inadequate size
extension cord.
Use a shorter or heavier gauge
extension cord (see Figure 14).
Summary of Contents for 22-44 Pro-3
Page 35: ...35 Stand Assembly...
Page 37: ...37 Drum Head Assembly...
